vt.卸货,去除负担,倾吐,处理,倾销
vi.卸下货物或其它负担,退子弹,[商]抛售(证券)
The border police required the traveler to unlock his luggage.
边防警察要求旅客打开行李.
She planned to unlock the store at 8.00 sharp this morning.
她打算今天早上8点整准时开门营业。
to unlock the door
打开门锁